During the early 2000s Microsoft was under a microscope for having a monopoly. The case was settled (see wikipedia >Settlement)
Review the below links:
United Stated vs. Microsoft Corp.
NSA and CIA Backdoor
Answer the following:
What are your thoughts on what you have read?
Do you believe that your privacy rights have been or currently violated?
Do you think that hackers have found the backdoor?
How would you protect your infrastructure against a backdoor?
Any other thoughts?